SS-1820: fixed pgsql client

.github/workflows/image.yml

@@ -0,0 +1,48 @@
+name: Build image
+
+on:
+  pull_request:
+    branches:
+      - master
+  push:
+    branches:
+      - master
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+env:
+  MAIN_GIT_REF: refs/heads/master
+
+jobs:
+  image:
+    name: Build docker image
+    runs-on: [ self-hosted, bear-ephemeral ]
+    steps:
+      - name: Set Up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Build And Push Image (Pull Request)
+        if: ${{ github.ref != env.MAIN_GIT_REF }}
+        uses: docker/build-push-action@v3
+        with:
+          push: true
+          tags: |
+            ${{ secrets.ECR_REGISTRY }}/pgsql-client:${{ github.run_id }}
+
+      - name: Build And Push Image (Main Branch)
+        if: ${{ github.ref == env.MAIN_GIT_REF }}
+        uses: docker/build-push-action@v3
+        with:
+          context: migrations
+          push: true
+          tags: |
+            ${{ secrets.ECR_REGISTRY }}/pgsql-client:${{ github.run_id }}
+            ${{ secrets.ECR_REGISTRY }}/pgsql-client:latest

Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.7
+FROM 567716553783.dkr.ecr.us-east-1.amazonaws.com/alpine:3.8
 RUN apk --update add postgresql-client && rm -rf /var/cache/apk/*
 COPY . /
 ENTRYPOINT ["./entrypoint.sh"]

createdb.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env sh
+
+set -e
+
+DB_HOST=${DB_HOST:?}
+DB_PORT=${DB_PORT:?}
+DB_NAME=${DB_NAME:?}
+DB_USER=${DB_USER:?}
+DB_PASS=${DB_PASS:?}
+DB_TIMEOUT=${DB_TIMEOUT:-10}
+
+# wait for db to be ready
+for i in $(seq $DB_TIMEOUT) ; do
+  if ! nc -z $DB_HOST $DB_PORT > /dev/null 2>&1; then
+    sleep 1
+  else
+    break
+  fi
+done
+
+# create auth file without db as it does not exist
+echo "${DB_HOST}":"${DB_PORT}":*:"${DB_USER}":"${DB_PASS}" > ~/.pgpass
+chmod 0600 ~/.pgpass
+
+# run database query using shell workaround for \gexec
+# see https://stackoverflow.com/questions/18389124/simulate-create-database-if-not-exists-for-postgresql
+echo "SELECT 'CREATE DATABASE ${DB_NAME}' WHERE NOT EXISTS (SELECT FROM pg_database WHERE datname = 'mydb')\gexec" | psql -h ${DB_HOST} -U ${DB_USER} -w

entrypoint.sh

@@ -1,5 +1,26 @@
-#!/bin/sh
-echo "${DB_HOST}":*:*:"${DB_USER}":"${DB_PASS}" > ~/.pgpass
+#!/usr/bin/env sh
+
+set -e
+
+DB_HOST=${DB_HOST:?}
+DB_PORT=${DB_PORT:?}
+DB_NAME=${DB_NAME:?}
+DB_USER=${DB_USER:?}
+DB_PASS=${DB_PASS:?}
+DB_TIMEOUT=${DB_TIMEOUT:-10}
+
+# wait for db to be ready
+for i in $(seq $DB_TIMEOUT) ; do
+  if ! nc -z $DB_HOST $DB_PORT > /dev/null 2>&1; then
+    sleep 1
+  else
+    break
+  fi
+done
+
+# create auth file
+echo "${DB_HOST}":"${DB_PORT}":"${DB_NAME}":"${DB_USER}":"${DB_PASS}" > ~/.pgpass
 chmod 0600 ~/.pgpass
-psql -h ${DB_HOST} -U ${DB_USER} -w postgres -c "$@"
-exit 0
+
+# run database query
+psql -h ${DB_HOST} -U ${DB_USER} -w ${DB_NAME} -c "$@"